I have a similar experience: I can quit in three days provided I'm relatively stress-free and not the companion of a regular smoker. I can stay quit for month

I have a similar experience: I can quit in three days provided I'm relatively stress-free and not the companion of a regular smoker. I can stay quit for months, even years, but particular stresses knock me off the wagon. One cigarette is all it takes; it's not a slippery slope, it's sheer cliff.